By Michael Holden LONDON(Reuters) – The judge overseeing the phone-hacking and privacy lawsuit brought by Prince Harry and some 100 others against British publisher Mirror Group Newspapers (MGN) at London’s High Court will deliver his judgment on Friday. Here are details of the case: WHAT IS THE CASE ABOUT? Harry and 100 others sued MGN, publisher of the Daily Mirror, the Sunday Mirror and the Sunday People tabloids, accusing them of widespread unlawful activities between 1991 and 2011. Those involved in the case include actors, sports stars, celebrities and people who simply had a connection …